diff --git a/.gitignore b/.gitignore
index 3c3629e..e417f5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 node_modules
+inv/
+*.zip
diff --git a/gen_wpp_file.js b/gen_wpp_file.js
index 5f1a0fe..b47b338 100644
--- a/gen_wpp_file.js
+++ b/gen_wpp_file.js
@@ -1,18 +1,25 @@
 var fs = require('fs').promises;
 
-function genFile() {
+async function genFile() {
     let content = '000010000112022030S2300420300001AWM001000604'
     let thisFile = ''
-    for(let i = 30000; i <= 100000; i++) {
-        if(i%200 == 0 || i == 30000) {
-            thisFile = getFileName(i)
+    let fullContent = ''
+    for(let i = 0; i <= 100000; i++) {
+        if((i-200)%200 == 0 || (i-200) == 30000) {
+            thisFile = getFileName(i-200)
             console.log(thisFile)
+            await fs.writeFile('./inv/'+ thisFile, fullContent);
+            fullContent = ''
+        } else {
+            fullContent += '\n'
         }
-        if(i == 100000) {
-            console.log("9999" + paddy(i,6) + content);
-            continue
+        if(i+1 == 100000) {
+            fullContent += "9999" + paddy(i+1,6) + content
+            console.log("9999" + paddy(i+1,6) + content);
+        } else if(i+1 < 100000) {
+            fullContent += "99999" + paddy(i+1,5) + content 
+            console.log("99999" + paddy(i+1,5) + content);
         }
-        console.log("99999" + paddy(i,5) + content);
     }
 }
 
@@ -20,7 +27,7 @@ function getFileName(i) {
     if(i+200 == 100000) {
         return "99999" + paddy(i+1,5) + "-" + paddy(i+200,6) + ".inv"
     }
-    return "99999" + paddy(i+1,5) + "-" + paddy(i+200,5) + ".inv"
+    return "99999" + paddy(i+1,5) + "-" + paddy(i+200,6) + ".inv"
 }
 
 function paddy(num, padlen, padchar) {
--
libgit2 0.21.2